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US4740429A
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Metal-ceramic joined articles
Assignee: NGK Insulators Ltd
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Filing: 1986-07-17
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Granted: 1988-04-26
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Expires: 2006-07-17
Abstract
Abstract Metal-ceramic joined articles having a splendid joint strength can be provided easily, even when the metallic member has a largely different thermal expansion coefficient from that of the ceramic member of the metal-ceramic article.
Inventors
- 👤 Nobuo Tsuno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:10
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/001; B23K35/004; C; C04; C04B; C04B37/00; C04B37/003; C04B37/006; C04B37/02; C04B37/023; C04B37/026; F; F02; F02F; F02F7/00; F02F7/0085; F02F7/0087; C04B2235/00; C04B2235/70; C04B2235/96; C04B2235/963; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/125; C04B2237/126; C04B2237/127; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/343; C04B2237/345; C04B2237/346; C04B2237/348; C04B2237/36; C04B2237/365; C04B2237/368; C04B2237/40; C04B2237/405; C04B2237/406; C04B2237/50; C04B2237/70; C04B2237/708; C04B2237/72; C04B2237/78; C04B2237/84; F05; F05C; F05C2251/00; F05C2251/04; F05C2251/042; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12576; Y10T428/12611; Y10T428/12618; Y10T428/12771; Y10T428/12806; Y10T428/12819; Y10T428/12826; Y10T428/1284; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12979
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
52 words
A metal-ceramic joined article comprising, a ceramic member, a metallic member, and a joint layer, said joint layer consisting essentially of 5-50 wt% of nickel, 30-70 wt% of silver, 15-40 wt% of copper and 1-10 wt% of titanium, the ceramic member and the metallic member being integrally joined by the joint layer.
Claim 2
Dependent Claim
52 words
A metal-ceramic joined article comprising, a ceramic member, a metallic member, and a joint layer, said joint layer consisting essentially of 5-50 wt% of nickel, 30-70 wt% of silver, 15-40 wt% of copper and 1-10 wt% of titanium, the ceramic member and the metallic member being integrally joined by the joint layer.
Claim 3
Dependent Claim
67 words
A metal-ceramic joined article as defined in claim 1, wherein the ceramic member comprises at least one ceramic material selected from the group of materials consisting of silicon nitride, silicon carbide and sialon, and the metallic member comprises at least one metal selected from the group of metals consisting of Fe-Ni alloys, Fe-Ni-Co alloys, Ta, Ta alloys, W, W alloys, Mo, Mo alloys, Nb and Nb alloys.
Claim 4
Dependent Claim
74 words
A metal-ceramic joined article as defined in claim 1, wherein the ceramic member comprises at least one ceramic material selected from the group of materials consisting of zirconia, alumina, mullite, aluminum titanate and cordierite, and the metallic member comprises at least one metal selected from the group of metals consisting of Fe-Ni alloys, Fe-Ni-Co alloys, Ta, Ta alloys, W, W alloys, Mo, Mo alloys, Ti, Ti alloys, Nb, Nb alloys and ferritic stainless steels.
Claim 5
Dependent Claim
74 words
A metal-ceramic joined article with a bonded metallic body, comprising, a ceramic member, a metallic member, a metallic body, and a joint layer, said joint layer consisting essentially of 5-50 wt% of nickel, 30-70 wt% of silver, 15-40 wt% of copper and 1-10 wt% of titanium, the ceramic member and the metallic member being integrally joined by the joint layer, and the metallic body being bonded to the metallic member by a bonding agent.
Claim 6
Dependent Claim
74 words
A metal-ceramic joined article with a bonded metallic body, comprising, a ceramic member, a metallic member, a metallic body, and a joint layer, said joint layer consisting essentially of 5-50 wt% of nickel, 30-70 wt% of silver, 15-40 wt% of copper and 1-10 wt% of titanium, the ceramic member and the metallic member being integrally joined by the joint layer, and the metallic body being bonded to the metallic member by a bonding agent.
Claim 7
Dependent Claim
67 words
A metal-ceramic joined article as defined in claim 2, wherein the ceramic member comprises at least one ceramic material selected from the group of materials consisting of silicon nitride, silicon carbide and sialon, and the metallic member comprises at least one metal selected from the group of metals consisting of Fe-Ni alloys, Fe-Ni-Co alloys, Ta, Ta alloys, W, W alloys, Mo, Mo alloys, Nb and Nb alloys.
Claim 8
Dependent Claim
74 words
A metal-ceramic joined article as defined in claim 2, wherein the ceramic member comprises at least one ceramic material selected from the group of materials consisting of zirconia, alumina, mullite, aluminum titanate and cordierite, and the metallic member comprises at least one metal selected from the group of metals consisting of Fe-Ni alloys, Fe-Ni-Co alloys, Ta, Ta alloys, W, W alloys, Mo, Mo alloys, Ti, Ti alloys, Nb, Nb alloys and ferritic stainless steels.
Claim 9
Dependent Claim
83 words
A metal-ceramic joined article formed by supplying a joint layer between a ceramic member and a metallic member, said joint layer comprising a molten alloy consisting essentially of 5-50 wt% of nickel, 30-70 wt% of silver, 15-40 wt% of copper and 1-10 wt% of titanium, thereby causing a reaction between the molten alloy and the ceramic member and causing a reaction between the molten alloy and the metallic member, whereby said members are integrally joined upon cooling and solidification of said molten alloy.
Claim 10
Dependent Claim
83 words
A metal-ceramic joined article formed by supplying a joint layer between a ceramic member and a metallic member, said joint layer comprising a molten alloy consisting essentially of 5-50 wt% of nickel, 30-70 wt% of silver, 15-40 wt% of copper and 1-10 wt% of titanium, thereby causing a reaction between the molten alloy and the ceramic member and causing a reaction between the molten alloy and the metallic member, whereby said members are integrally joined upon cooling and solidification of said molten alloy.
Claim 11
Dependent Claim
67 words
A metal-ceramic joined article as defined in claim 7, wherein the ceramic member comprises at least one ceramic material selected from the group of materials consisting of silicon nitride, silicon carbide and sialon, and the metallic member comprises at least one metal selected from the group of metals consisting of Fe-Ni alloys, Fe-Ni-Co alloys, Ta, Ta alloys, W, W alloys, Mo, Mo alloys, Nb and Nb alloys.
Claim 12
Dependent Claim
74 words
A metal-ceramic joined article as defined in claim 7, wherein the ceramic member comprises at least one ceramic material selected from the group of materials consisting of zirconia, alumina, mullite, aluminum titanate and cordierite, and the metallic member comprises at least one metal selected from the group of metals consisting of Fe-Ni alloys, Fe-Ni-Co alloys, Ta, Ta alloys, W, W alloys, Mo, Mo alloys, Ti, Ti alloys, Nb, Nb alloys and ferritic stainless steels.
Claim 13
Dependent Claim
82 words
A ceramic-metal joined article formed by (a) disposing an alloy between a ceramic member and a metallic member, said alloy having a composition consisting essentially of 5-50 wt% of nickel, 30-70 wt% of silver, 15-40 wt% of copper and 1-10 wt% of titanium, and (b) melting said alloy, thereby causing a reaction between said ceramic member and said alloy and a reaction between said metallic member and said alloy, whereby said members are integrally joined upon cooling and solidification of said alloy.
Claim 14
Dependent Claim
82 words
A ceramic-metal joined article formed by (a) disposing an alloy between a ceramic member and a metallic member, said alloy having a composition consisting essentially of 5-50 wt% of nickel, 30-70 wt% of silver, 15-40 wt% of copper and 1-10 wt% of titanium, and (b) melting said alloy, thereby causing a reaction between said ceramic member and said alloy and a reaction between said metallic member and said alloy, whereby said members are integrally joined upon cooling and solidification of said alloy.
Claim 15
Dependent Claim
67 words
A metal-ceramic joined article as defined in claim 10, wherein the ceramic member comprises at least one ceramic material selected from the group of materials consisting of silicon nitride, silicon carbide and sialon, and the metallic member comprises at least one metal selected from the group of metals consisting of Fe-Ni alloys, Fe-Ni-Co alloys, Ta, Ta alloys, W, W alloys, Mo, Mo alloys, Nb and Nb alloys.
Claim 16
Dependent Claim
74 words
A metal-ceramic joined article as defined in claim 10, wherein the ceramic member comprises at least one ceramic material selected from the group of materials consisting of zirconia, alumina, mullite, aluminum titanate and cordierite, and the metallic member comprises at least one metal selected from the group of metals consisting of Fe-Ni alloys, Fe-Ni-Co alloys, Ta, Ta alloys, W, W alloys, Mo, Mo alloys, Ti, Ti alloys, Nb, Nb alloys and ferritic stainless steels.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-04-26 | 1991-10-26 | 1992-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-26 | 1995-10-26 | 1996-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-26 | 1999-10-26 | 2000-04-26 | $7700.00 | Window Closed / Lapsed |